About Penteo
Established in 2012, thousands of post-production mixers, sound designers, composers and educators in 51 countries rely on Penteo to deliver an immediate, phaseless, high quality upmix or downmix from any format between stereo to surround up to 16-channel 3D immersive sound formats.
All of Hollywood's
Big 6 Use Penteo
Penteo Sound Designers & Composers in 51 Countries
Major Broadcasters
Worldwide Rely on Penteo
We focus on being the first to bring the latest sound and technology innovations to our customers so that they can benefit the most. Penteo has led the market being the first phaseless upmixer, the first to port to 64 bit architecture and the first integrated 16 channel upmix/downmixer.
Penteo Innovations
2013

1st phaseless 5.1 upmixer
2016

1st phaseless 7.1 upmixer
1st AAX 64 but upmixer
1st multichannel Audiosuite
2019

1st phaseless 16 channel upmixer
1st integrated phaseless Downmixer
1st 3D Upmix/Downmix Visualizer
We are proud to have won multiple industry awards including twice being named 'Upmixer of the Year', and won ProTools Expert’s head to head ‘Upmixer Shootout’ competition.
Expert's Choice Winner
Product of the Year Winner
About PerfectSurround
PerfectSurround technology delivers a perfect stereo upmix that will always downmix back to the original stereo 100% ITU, every time from any source.
Only PerfectSurround technology is completely phaseless so mixers never have to compromise their upmix to get an ‘exact’ downmix: PerfectSurround delivers both.

Highest Upmix Quality +
Perfect Downmix
Unique Phaseless Process
Highest quality multichannel upmix
Perfect Downmix, any format, every time
PerfectSurround results in a deeply immersive and most natural sounding upmix with wide channel separation of the highest quality without introducing any unwanted sonic artifacts into the process.
We have invested in the best, most unique technology so that our controls and logic do the heavy work to speed your surround or immersive upmix session.
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High Quality Upmix +
Perfect Downmix Every Time

Unique Phaseless Process
Highest quality multichannel upmix
Perfect Downmix every time, for any format
High Quality Upmix +
Perfect Downmix Every Time
